ASCLEPIADEE. 
461.) stem twining, leaves cordate, broad-ovate, acuminated, 
tomentose, soft; cymes umbel-formed ; throat of corolla naked ; 
stigma mutic. h.™.S. Native of New Holland, within the 
tropic. 
Velvety Marsdenia. Shrub tw. 
2 M. Brunonra‘na (Wight and Arnott, contrib. ind. bot. 
p. 40.) twining, glabrous; leaves broad-cordate, acuminated ; 
peduncles shorter than the petioles; flowers cymose, largish, 
glabrous; segments of corolla obtuse; leaflets of corona atte- 
nuated, about equal in length to the gynostegium; stigma 
bluntly apiculated. h. ^. S. Native of the East Indies, 
near Coluniala.— Wight, eat. no. 1524. The cymes are small ; 
but the flowers are the largest of the genus. 
Brown's Marsdenia. Shrub tw. 
3 M. rravescens (Cunningh. in bot. mag. t. 3289.) twining ; 
leaves oblong-lanceolate, acuminated, somewhat undulated, gla- 
brous above, but clothed with hoary tomentum beneath ; pedun- 
cles twice the length of the petioles; cymes many-flowered ; 
corolla sub-rotate; stigma mutic. ^.^. S. Native of New 
Holland, on the sea-shore. Flowers yellowish. Stamineous co- 
rona of 5 fleshy teeth, united to the back of the anthers, which 
latter are diaphanous at the extremity. Stigma flat. 
Yellomish-tlowered Marsdenia. Fl. Ju. July. 
Shrub tw. 
$ 2. Throat of corolla as well as the tube bearded. Hairs 
of the tube disposed in 5 reflexed fascicles. 
4 M. riNcrÓRIA (R. Br. 1. c.) stems twining; leaves cordate- 
ovate, or oblong-acuminated, smoothish, furnished with a gland 
towards the base above; thyrse lateral; throat of corolla 
bearded; flowers small; leaflets of corona about equal in 
length to the gynostegium, subulate ; stigma mutic. h. ©. S. 
Native of Sumatra, Silhet, and Prome. Faroom-akkar, Marsd. 
sumat. p. 78.  Pergulària tinctória, Spreng. syst. 1. p. 844. 
Asclépias tinctória, Roxb. fl. ind. 2. p. 43. mus. ind. or. t. 615. 
M. monostachya, Wall. mss. Flowers numerous, small, yellow. 
The leaves yield more and better indigo than Indigéfera tinc- 
tòria; and Dr. Roxburgh has recommended an extensive culti- 
vation of it. 
Dyers’ Marsdenia, or Sumatra Indigo. Shrub tw. 
5 M. viripirtora (R. Br. |. c. p. 80. prod. 461.) stems 
twining; leaves oblong-lanceolate, smoothish, obtuse at the 
base; tube of corolla villous inside. R. ^. S. Native of 
New Holland, within the tropic.  Pergulària viridiflóra, Spreng. 
syst. 1. p. 844. 
Green-flowered Marsdenia, Shrub tw. 
6 M. Hamirtoni (Wight, contrib. ind. bot. p. 41.) twining, 
glabrous; leaves cordate-oblong, acuminated ; cymes subcapi- 
tate, many-flowered, shorter than the petioles ; flowers small ; 
tube of corolla ventricose, closed by hairs; leaflets of corona 
longer than the gynostegium, tapering at the apex; pollen 
masses oblong, fixed by minute corpuscles; stigma apiculated. 
bh.^. S. Native of the East Indies, at Sukanagur. Cynan- 
chum, Wall. ascl. no. 84. C. reticulatum, Ham. herb. no. 750. 
Hamilton’s Marsdenia. Shrub tw. 
7 M. Roruit; leaves roundish-oval, obtuse, glabrous, as 
well as the stems, which are twining; corymbs axillary, dicho- 
tomous, hairy; corollas tomentose inside. h. ^. S. Native 
of the East Indies. Asclépias plicàta, Roth. nov. spec. Co- 
rolla black, beset with scattered hairs outside, and clothed with 
greyish tomentum inside ; hardly a line in diameter. 
Roth's Marsdenia. Shrub tw. 
8 M. crav’sa (R. Br. l. c. p. 30.) stem twining; leaves 
lanceolate, acute at both ends, glabrous, wrinkled a little above ; 
throat of corolla densely bearded. h. ^. S. Native of Ja- 
maica. Pergulària claüsa, Spreng. syst. 1. p. 844. 
Cit. 1823. 
XXVIII. Marspenta. 131 
Closed-flowered Marsdenia. Shrub tw. 
9 M. suave'otens (R. Br. l. c.) stem erectish ; leaves oval- 
lanceolate, glabrous, veinless ; corolla with a ventricose tube, 
and a bearded throat. h. ^. S. Native of New Holland, 
without the tropic. Rudge, in Lin. trans. 10. p. 299. t. 21. 
f.1. Ker. bot. reg. t. 489. Pergularia suavéolens, Spreng. 
syst. l. p. 843.  Panicles axillary, 6-8-flowered. Calycine 
segments ciliated. Filaments broad, inserted beneath a 5- 
toothed conical nectarium, ex Rudge. Flowers white. 
Swveet-scented-flowered Marsdenia. Fl. July, Aug. 
1816. Shrub 2 to 3 feet. 
10 M. crnera’scens (R. Br. l. c.) stem erect ; leaves ovate, 
bluntish, veiny, beset with a little scattered down, petiolate, 
half an inch long; corolla subrotate. 5. S$. Native of New 
Holland, within the tropic. Pergulària cineráscens, Spreng. syst. 
1. p. 844. 
Greyish Marsdenia. 
Cit. 
Shrub 2 to 3 feet. 
§ 3. Tube of corolla downy inside. 
11 M. Royzer (Wight et Arnott, contrib. ind. bot. p. 40.) 
twining, tomentose ; leaves broad-cordate or ovate, acuminated ; 
cymes shorter than the leaves; calyx hairy; corolla hairy 
inside: throat crowned by 5 plica, which are opposite the 
sinuses; leaflets of corona much longer than the gynostegium, 
filiform at top; stigma bluntly apiculated. h.^. S. Native 
of Kenour, Royle ; Simla, Countess of Dalhousie. M. velu- 
tina, Royle, herb., but not of R. Br. The plice at the bottom 
of the recesses, between the segments of the corolla, almost 
resemble thickish scales. 
Royle's Marsdenia. Shrub tw. 
12 M. axcvsrIFOLIA (Wight, contrib. ind. bot. p. 40.) twin- 
ing, much branched ; stem, branches, and peduncles downy ; 
leaves almost sessile, lanceolate, glabrous in the adult state ; 
cymes twin, few-flowered, shorter than the leaves; leaflets of 
corona shorter than the gynostegium ; stigma truncate. h .^. S. 
Native on hills at Prome. Marsdénia, Wall. ascl. no. 58.— 
Rumph, amb. 5. t. 40. f. 1.? 
Narrow-leaved Marsdenia. Shrub tw. 
§ 4. Throat of corolla naked ; tube sparingly pilose. Leaflets 
of corona broadish, truncate or bifid at the apex; bearing each, 
near the base, one acuminated lobe, and another keel-formed one. 
Cymes large, spreading, many-flomered ; flowers rather large.— 
This section may eventually form a distinct genus. 
13 M. Carzsrà'NA (Wight, contrib. ind. bot. p. 41.) twining, 
downy; leaves cordate, or cordate-ovate, acuminated, tomen- 
tose on both surfaces; cymes large, many-flowered ; segments 
of corolla narrow, acute, with revolute edges; leaflets of the 
corona deeply bifid: one of the lobes is longer than the other, 
lying upon the anthers, the other shorter and keeled towards 
the base; stigma apiculated. 5. ^. S. Native of the East 
Indies, at Morang. Pergularia Calesiàna, Ham. herb. Wall. 
ascl. no. 57. e. 
Caless Marsdénia. Shrub tw. 
14 M. renacisstma (Wight and Arnott. contrib. ind. bot. 
p. 41.) twining; leaves cordate, acuminated, tomentose on both 
surfaces; cymes large; segments of corolla broad, obtuse ; 
leaflets of corona broad, truncate, and nearly entire at the apex, 
or bifurcate ; stigma bluntly apiculated. 5.^. S. Native of the 
East Indies, on the hills of Rajemahl and Chittagong. Asclépias 
tenacissima, Roxb. cor. 3. p. 35. t. 240. fl. ind. 2. p. 31. mus. 
ind. orient. t. 1381. — Asclépias tomentósa, Herb. madr. Asclep. 
echinata, Herb. madr. Gymnéma tenacíssimum, Spreng. syst. 1. 
p. 844. Flowers greenish yellow. ^ Corollas salver-shaped ; 
segments greenish towards the centre, with the outer half 
s 2 
